Which of the following is not economically useful?
Which of the following is not economically useful?
The correct option is B Lepisma
A. Apis dorsata is considered to be extremely important to both honey gatherers/hunters and agricultural producers in southern Asia. Although the bees are not managed for pollination, many crops throughout southern Asia depend upon Apis dorsata.
B. Lac insects are highly useful to man. They yield lac, besides this, a red dye is made from their bodies. This dye is used by certain Indian women to colour the soles of their feet and to dye silk and wool. Bodies of some lac insects are used to cure for lung and stomach troubles.
C. Bombyx mori- Silkworm s are reared to get silk. This practice is called sericulture.
D. Lepisma-Domestic species such as silverfish and fire brats may cause extensive damage to household goods. They often feed on wallpaper paste, book bindings, and the starch sizing of some textiles. Cardboard and other paper products may also be damaged.
So, the correct answer is “Lepisma”.
A. Apis dorsata is considered to be extremely important to both honey gatherers/hunters and agricultural producers in southern Asia. Although the bees are not managed for pollination, many crops throughout southern Asia depend upon Apis dorsata.
B. Lac insects are highly useful to man. They yield lac, besides this, a red dye is made from their bodies. This dye is used by certain Indian women to colour the soles of their feet and to dye silk and wool. Bodies of some lac insects are used to cure for lung and stomach troubles.
C. Bombyx mori- Silkworm s are reared to get silk. This practice is called sericulture.
D. Lepisma-Domestic species such as silverfish and fire brats may cause extensive damage to household goods. They often feed on wallpaper paste, book bindings, and the starch sizing of some textiles. Cardboard and other paper products may also be damaged.
So, the correct answer is “Lepisma”.
